DateExpected
Mid May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Nai Harn, Phuket
ราไวย์, อำเภอเมืองภูเก็ต
Countdown
May
A 24.8 km single loop out of Rawai, Phuket, with 1,265 m of climbing. That's a proper hilly day for runners, but 9.5 hours is a generous window.
Key facts
01Single loop course
029 h 30 min cut-off
Create a free training plan for the Mahasamut Trail
7-day free trial, no card required
The course
The route
ราไวย์
Distance25km
Total climb1,265m
StartElevation
0 kmDrag map to rotate23.3 km
Weather
Mid-May, ราไวย์
29°CTypical high
28°CTypical low
26°CColdest in 20 years
96%Days with rain
Highs around 29°C and lows around 28°C, but it has dropped to 26°C. Rain on 96% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01SCHWARTZ Celia03:16:457.6 km/h
02MOUNTFORD Jenjira04:02:436.1 km/h
03DENG RONG04:11:025.9 km/h
132
Women finishers
7:39:35
Median time
3.2 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Organiserครอบครัวเทรล (listed as “Presented by” for the first edition)
Instagram@mahasamut_trail
Running since2025
Training
Training for the Mahasamut Trail
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Mahasamut Trail plan targets
Typical sessions
25 km with 1,265 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Mahasamut Trail plan.
7-day free trial, no card required.
